Van owners are being reminded by police not to leave power tools in their vehicles overnight.
The warning was issued by South Yorkshire Police in the wake of a spate of thefts over the weekend.
Police were called out three times to vehicles which had been broken into for tools left in them.
A £400 drill was stolen from a van parked in West Melton on Friday, £500 worth of power tools were stolen from a vehicle in Wath and over £2,000 worth of power tools from a vehicle in Dinnington.
South Yorkshire Police’s crime reduction project officer, PC Andy Robinson said: “Van owners need to remove as many portable power tools from their vehicles as possible and take them into their home or a secure garage overnight.
“In the cases that we have seen over the weekend, the vehicles were parked close to the owner’s homes, but this hasn’t deterred the offenders from breaking in.
“Anyone who owns power tools should use a permanent marker to write their postcode and house number on them.
“This alone could put thieves off from stealing them but if not, it means that we can return them to you if we do find them.”
Police are also investigating the theft of a car from Overend Drive, Rollestone, Sheffield, overnight on Friday into Saturday.
n Anyone with information about the theft or to get crime prevention advice can contact PC Andy Robinson on 101.